This is the Activity UML diagram of E-Billing Management System which shows the flows between the activity of Customer, Payment Mode, Bills, Receipts, Payment Transactions. The main activity involved in this UML Activity Diagram of E-Billing Management System are as follows:

Features of the Activity UML diagram of E-Billing Management System

Its shows the activity flow of editing, adding and updating of Payment Mode

User will be able to search and generate report of Bills, Receipts, Payment Transactions

All objects such as ( Customer, Payment Mode, Payment Transactions) are interlinked

Its shows the full description and flow of Customer, Receipts, Payment Transactions, Bills, Payment Mode

Login Activity Diagram of E-Billing Management System:

This is the Login Activity Diagram of E-Billing Management System, which shows the flows of Login Activity, where admin will be able to login using their username and password. After login user can manage all the operations on Bills, Customer, Payment Mode, Payment Transactions, Receipts. All the pages such as Payment Mode, Payment Transactions, Receipts are secure and user can access these page after login. The diagram below helps demonstrate how the login page works in a E-Billing Management System. The various objects in the Payment Transactions, Bills, Customer, Payment Mode, and Receipts page—interact over the course of the Activity, and user will not be able to access this page without verifying their identity.

E-Billing Management System Class Diagram describes the structure of a E-Billing Management System classes, their attributes, operations (or methods), and the relationships among objects. The main classes of the E-Billing Management System are Bills, Customer, Transactions, Login, Payment, Receipts.

Classes of E-Billing Management System Class Diagram:

Bills Class : Manage all the operations of Bills

Customer Class : Manage all the operations of Customer

Transactions Class : Manage all the operations of Transactions

Login Class : Manage all the operations of Login

Payment Class : Manage all the operations of Payment

Receipts Class : Manage all the operations of Receipts

Classes and their attributes of E-Billing Management System Class Diagram:

Class Diagram of E-Billing Management System :

This is a Component diagram of E-Billing Management System which shows components, provided and required interfaces, ports, and relationships between the Payment Transactions, Bills, Payment Mode, Receipts and Customer. This type of diagrams is used in Component-Based Development (CBD) to describe systems with Service-Oriented Architecture (SOA). E-Billing Management System UML component diagram, describes the organization and wiring of the physical components in a system.

Components of UML Component Diagram of E-Billing Management System:

Payment Transactions Component

Bills Component

Payment Mode Component

Receipts Component

Customer Component

Featues of E-Billing Management System Component Diagram:

You can show the models the components of E-Billing Management System.

Model the database schema of E-Billing Management System

Model the executables of an application of E-Billing Management System

E-Billing Management System Data flow diagram is often used as a preliminary step to create an overview of the E-Billing without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the E-Billing process. It contains all of the userflow and their entities such all the flow of Bills, Customer, Transactions, Login, Payment, Receipts, Payment Mode. All of the below diagrams has been used for the visualization of data processing and structured design of the E-Billing process and working flow.

This is the Zero Level DFD of E-Billing Management System, where we have eloborated the high level process of E-Billing. It’s a basic overview of the whole E-Billing Management System or process being analyzed or modeled. It’s designed to be an at-a-glance view of Payment,Receipts and Payment Mode showing the system as a single high-level process, with its relationship to external entities of Bills,Customer and Transactions. It should be easily understood by a wide audience, including Bills,Transactions and Payment
In zero leve DFD of E-Billing Management System, we have described the high level flow of the E-Billing system.

First Level DFD (1st Level) of E-Billing Management System shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the E-Billing Management System system as a whole. It also identifies internal data stores of Payment Mode, Receipts, Payment, Login, Transactions that must be present in order for the E-Billing system to do its job, and shows the flow of data between the various parts of Bills, Transactions, Receipts, Payment Mode, Payment of the system. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. You will highlight the main functionalities of E-Billing.

Main entities and output of First Level DFD (1st Level DFD):

Processing Bills records and generate report of all Bills

Processing Customer records and generate report of all Customer

Processing Transactions records and generate report of all Transactions

DFD Level 2 then goes one step deeper into parts of Level 1 of E-Billing. It may require more functionalities of E-Billing to reach the necessary level of detail about the E-Billing functioning. First Level DFD (1st Level) of E-Billing Management System shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Payment Mode, Receipts, Payment, Login, Transactions, Customer, Bills.

Low level functionalities of E-Billing Management System

Admin logins to the system and manage all the functionalities of E-Billing Management System

This ER (Entity Relationship) Diagram represents the model of E-Billing Management System Entity. The entity-relationship diagram of E-Billing Management System shows all the visual instrument of database tables and the relations between Customer, Login, Bills, Receipts etc. It used structure data and to define the relationships between structured data groups of E-Billing Management System functionalities. The main entities of the E-Billing Management System are Bills, Customer, Transactions, Login, Payment and Receipts.

This is the UML sequence diagram of E-Billing Management System which shows the interaction between the objects of Payment Transactions, Receipts, Payment Mode, Bills, Customer. The instance of class objects involved in this UML Sequence Diagram of E-Billing Management System are as follows:

Payment Transactions Object

Receipts Object

Payment Mode Object

Bills Object

Customer Object

Login Sequence Diagram of E-Billing Management System:

This is the Login Sequence Diagram of E-Billing Management System, where admin will be able to login in their account using their credentials. After login user can manage all the operations on Payment Mode, Payment Transactions, Receipts, Customer, Bills. All the pages such as Receipts, Customer, Bills are secure and user can access these page after login. The diagram below helps demonstrate how the login page works in a E-Billing Management System. The various objects in the Customer, Payment Mode, Payment Transactions, Receipts, and Bills page—interact over the course of the sequence, and user will not be able to access this page without verifying their identity.

This is the UML sequence diagram of E-Billing Management System which shows the interaction between the objects of Payment Transactions, Receipts, Payment Mode, Bills, Customer. The instance of class objects involved in this UML Sequence Diagram of E-Billing Management System are as follows:

This Use Case Diagram is a graphic depiction of the interactions among the elements of E-Billing Management System. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of E-Billing Management System. The main actors of E-Billing Management System in this Use Case Diagram are: Super Admin, System User, Accountant, Customer, who perform the different type of use cases such as Manage Bills, Manage Customer, Manage Transactions, Manage Login, Manage Payment, Manage Receipts, Manage Payment Mode, Manage Users and Full E-Billing Management System Operations. Major elements of the UML use case diagram of E-Billing Management System are shown on the picture below.

The relationships between and among the actors and the use cases of E-Billing Management System:

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